Ardelyx, Inc. (ARDX) Insider Trading

Over the last 3 months, ARDX insiders made 0 open-market buys and 24 sales, a net sale of -$1.4M (SEC Form 4). Over the last 6 months, 196 institutions increased and 148 reduced their position (13F).

Insider Activity

Sentiment
0/100
Buys (3m)
0
Sells (3m)
24
Net (3m)
-$1.4M
Insider trades by month Buys Sells
Feb
Apr
May
Jun
Jul
Aug
Context3-month price -35.2%Institutions accumulating (13F)
DateInsiderTypeSharesPrice
Aug 25, 2026Reilly Joseph Jamesofficer: See RemarksSell2,872$3.86
Aug 25, 2026Brady James Parkerofficer: Chief Human Resources OfficerSell1,976$3.86
Aug 25, 2026Brady James Parkerofficer: Chief Human Resources OfficerSell13,160$3.86
Aug 25, 2026Foster Eric Duaneofficer: Chief Commercial OfficerSell2,598$3.86
Aug 25, 2026Kelliher Mikeofficer: Chief Business OfficerSell2,002$3.86
Aug 25, 2026RAAB MICHAELdirector, officer: President & CEOSell8,411$3.86
Aug 25, 2026RAAB MICHAELdirector, officer: President & CEOSell15,976$3.86
Aug 25, 2026Williams Laura Aofficer: Chief Patient OfficerSell2,430$3.86
Aug 25, 2026Foster Eric Duaneofficer: Chief Commercial OfficerSell3,389$3.86
Aug 25, 2026Bishop John Eofficer: See RemarksSell2,469$3.86
Aug 25, 2026Kelliher Mikeofficer: Chief Business OfficerSell3,104$3.86
Aug 25, 2026Foster Eric Duaneofficer: Chief Commercial OfficerSell2,575$3.86
Aug 25, 2026RAAB MICHAELdirector, officer: President & CEOSell19,178$3.86
Aug 25, 2026Williams Laura Aofficer: Chief Patient OfficerSell1,734$3.86
Aug 25, 2026Bishop John Eofficer: See RemarksSell17,281$3.86
Aug 25, 2026Kelliher Mikeofficer: Chief Business OfficerSell2,652$3.86
Aug 25, 2026RAAB MICHAELdirector, officer: President & CEOSell15,009$3.86
Aug 25, 2026Williams Laura Aofficer: Chief Patient OfficerSell3,089$3.86
Aug 25, 2026Hohenleitner Susanofficer: Chief Financial OfficerSell1,558$3.86
Aug 25, 2026Reilly Joseph Jamesofficer: See RemarksSell1,110$3.86
Aug 25, 2026Williams Laura Aofficer: Chief Patient OfficerSell3,486$3.86
Jul 17, 2026RAAB MICHAELdirector, officer: President & CEOSell41,668$5.06
Jul 17, 2026RAAB MICHAELdirector, officer: President & CEOOption20,834$0.99
Jun 22, 2026Williams Laura Aofficer: Chief Patient OfficerOption31,000$0.99
Jun 22, 2026Williams Laura Aofficer: Chief Patient OfficerSell81,898$5.99
Jun 18, 2026Parsey MerdaddirectorGrant26,455—
Jun 18, 2026Cadoret-Manier OnaizadirectorGrant26,455—
Jun 18, 2026MOTT DAVID MdirectorGrant26,455—
Jun 18, 2026Bhanji MunadirectorGrant26,455—
Jun 18, 2026Cadoret-Manier OnaizadirectorGrant39,715$5.67

Source: ARDX SEC Form 4 filings, latest Aug 25, 2026. For informational purposes only — not investment advice.

Institutional activity (13F)

How institutions changed their ARDX positions over the last 6 months (SEC Form 13F).

Increased
196
New positions
94
Reduced
148
Sold out
33
Largest moves
InstitutionActionSharesFiled
BlackRock, Inc.Increased23.5MAug 7, 2026
BLACKROCK, INC.Increased21.2MMay 13, 2026
MILLENNIUM MANAGEMENT LLCIncreased18.0MMay 15, 2026
Rubric Capital Management LPIncreased16.2MAug 14, 2026
MILLENNIUM MANAGEMENT LLCReduced14.3MAug 14, 2026
STATE STREET CORPIncreased13.6MMay 15, 2026
STATE STREET CORPReduced13.4MAug 7, 2026
VANGUARD CAPITAL MANAGEMENT LLCIncreased10.5MAug 13, 2026
VANGUARD CAPITAL MANAGEMENT LLCNew Position10.4MMay 15, 2026
NOMURA ASSET MANAGEMENT INTERNATIONAL INC.Increased9.5MAug 14, 2026
JANUS HENDERSON GROUP PLCReduced8.4MMay 18, 2026
MACQUARIE MANAGEMENT HOLDINGS, INC.Reduced8.2MMay 15, 2026
VANGUARD PORTFOLIO MANAGEMENT LLCIncreased8.0MAug 13, 2026
VANGUARD PORTFOLIO MANAGEMENT LLCNew Position6.7MMay 8, 2026
GEODE CAPITAL MANAGEMENT, LLCIncreased6.4MAug 12, 2026

Source: SEC Form 13F filings. For informational purposes only — not investment advice.

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